nihil obstat
noun
nihil ob·stat
\-ˈäbzˌtat, -bˌst-\
Definition of nihil obstat
1 : the certification by an official censor of the Roman Catholic Church that a book has been examined and found to contain nothing opposed to faith and morals
2 : authoritative or official approval the surest road to fame was … through the imprimatur and nihil obstat of a foreign critic — P. H. Odegard
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Origin and Etymology of nihil obstat
Latin, nothing hinders
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